exam Maths Puzzle Numerical Ability

I have a homeowrk question that states: find the maximum revenue for the revenue function R(x)=490x-0.07x^2. How do I work this problem out? I have tried everything.

Read Solution (Total 0)

exam Other Question

Geometry. The length of a rectangle is 2 inches more than twice its width. If the perimeter of the rectangle is 34 inches, find the dimensions of the rectangle.

Can someone help me on this problem?

Use the indicated property to write an expression that is equivalent to the following expression.

(5 * 1) * 0 (associative property of multiplication)

Thanks so much,
Lyn